package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /**
     * 查询购物车是否存在
     * */
    ShoppingCart getBys(ShoppingCart cart);
    /**
     * 插入商品到购物车
     * */
    @Insert("insert into shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor, number, amount, image, create_time) " +
            " values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})")
    void add(ShoppingCart cart);
    /**
     * 更新商品数量
     * */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumber(ShoppingCart cartInDB);
    @Select("select * from shopping_cart where user_id = #{currentId}")
    List<ShoppingCart> getByUserId(Long currentId);
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void cleanCart(Long userId);
    @Delete("delete from shopping_cart where id = #{id}")
    void delete(Long id);
}
